Multiple choice Which of the following endocrine glands produces two distinct hormones? Adrenal Thymus Testis Pineal Reveal answer Fill a bubble to check yourself A Correct answer Explanation The adrenal gland produces two distinct hormone types: corticosteroids (cortisol, aldosterone) from the cortex and catecholamines (adrenaline) from the medulla. Other glands listed produce only one hormone type.